Seema Saini Solutions for Chapter: Hydrogen, Water and Hydrogen Peroxide, Exercise 3: DPP

For which purpose is ${\mathrm{H}}_2{\mathrm{O}}_2$ used?

${\mathrm{H}}_2{\mathrm{O}}_2$ is prepared by the action of ______.

Which of the following statements about ${\mathrm{H}}_2{\mathrm{O}}_2$ is (are) true

${\mathrm{H}}_2{\mathrm{O}}_2$ is used as:

Which of the following statement is/are correct.

The oxidation number of $\mathrm{Mn}$ in $\mathrm{B}$ is _______.

During its reaction with ${\mathrm{Cl}}_2, \mathrm{X}$ acts as _______.

If $\mathrm{B}$ is allowed to react with $\mathrm{E}, \mathrm{A}$ gas is formed. If this gas is passed through $\mathrm{X},$ again $\mathrm{D}$ and $\mathrm{E}$ are formed. The compounds $\mathrm{B}$ and $\mathrm{E}$ are ______.